Upload files to google drive using python

gdrive-uploader.py

from apiclient.discovery import build
from httplib2 import Http
from oauth2client import file, client, tools
from apiclient.http import MediaFileUpload
import os
import json
import glob
import argparse

# @author debendraoli (github id)

def upload(dir):
	global file
	gdrive_dir = ['1xyuPy4BcxvtaBZY0Z_ShvupKB2yPlLQ3']
	SCOPES = 'https://www.googleapis.com/auth/drive'
	store = file.Storage('token.json')
	creds = store.get()
	if not creds or creds.invalid:
		flow = client.flow_from_clientsecrets('credentials.json', SCOPES)
		creds = tools.run_flow(flow, store)
	drive_service = build('drive', 'v3', http=creds.authorize(Http()))
	
	images = glob.glob(dir)
	for image in images:
		file_metadata = {
		'name': os.path.basename(open(image).name),
		'parents': gdrive_dir,
		'description': 'files backup'
		}
		media = MediaFileUpload(image)
		file = drive_service.files().create(
			body=file_metadata,media_body=media,
			fields='id').execute()
		print('File ID: %s' % file.get('id'))

parser = argparse.ArgumentParser()
parser.add_argument('-dir', required=True, help='Direcrory path.')
parser.add_argument('-ext', required=True, help='File extension. Eg.: .txt, .jpg, .png, .pdf, *')
args = vars(parser.parse_args())
files_path = f"{args['dir']}*{args['ext']}"
upload(files_path)